.title{
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    margin: 50px;
}

body{
    background-color: #f2f2f2;
    height: 100%;width: 100%;
    background: url('/img/back.jpg');
    background-size:cover;
}

.layui-icon-username{
    position: absolute;
}

.layadmin-user-login-icon {
    position: absolute;
    left: 1px;
    top: 1px;
    width: 38px;
    line-height: 36px;
    text-align: center;
    color: #d2d2d2;
}

.layui-form-item .layui-input {
    padding-left: 38px;
}

.codeImg{
    margin-left: 50px;
}